.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f8f9fa;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.login-card h2 {
    color: #333;
    margin-bottom: 1.5rem;
}

.login-card .form-control {
    padding: 0.75rem;
    margin-bottom: 1rem;
}

.login-card .btn {
    padding: 0.75rem;
    font-weight: 600;
}

.error-message {
    color: #dc3545;
    margin-top: 1rem;
    text-align: center;
}